THE AIM OF THIS STUDY WAS INVESTIGATE THE EFFECTIVENESS OF cognitive-BEHAVIORAL GROUP THERAPY ON meta-cognitive beliefs OF DIVORCED WOMEN. THIS IS A SEMI-TEST (QUASI-TEST) STUDY USING PRE-TEST AND POST-TEST PATTERN WITH CONTROL GROUP. meta-cognitive beliefs QUESTIONNAIRE (MCBQ 30) WERE USED TO EVALUATE PRETEST AND POSTTEST. DATA'S ENTERED IN SPSS AFTER COLLECTED QUESTIONNAIRES AND ANALYZED BASED ON DESCRIPTIVE INDEXES AND INFERENTIAL STATISTICAL (ANCOVA). RESULTS SHOWED THAT cognitive-BEHAVIORAL GROUP THERAPY CAN BE EFFECTIVE ON meta-cognitive beliefs (P<0.05). IN GENERALLY, WE SAY THAT CBT CAN EFFECTIVENESS ON meta-cognitive beliefs OF DIVORCED WOMEN.